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        <a href="cornetto-module.html">Package&nbsp;cornetto</a> ::
        Module&nbsp;simcornet
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<h1 class="epydoc">Source Code for <a href="cornetto.simcornet-module.html">Module cornetto.simcornet</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment"># -*- coding: utf-8 -*-</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-comment"># Copyright (C) 2008-2010 by </tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-comment"># Erwin Marsi and Tilburg University</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-comment"># This file is part of the Pycornetto package.</tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-comment"># Pycornetto is free software; you can redistribute it and/or modify</tt> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-comment"># it under the terms of the GNU General Public License as published by</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-comment"># the Free Software Foundation; either version 3 of the License, or</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"><tt class="py-comment"># (at your option) any later version.</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-comment"># Pycornetto is distributed in the hope that it will be useful,</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"><tt class="py-comment"># but WITHOUT ANY WARRANTY; without even the implied warranty of</tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-comment"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-comment"># GNU General Public License for more details.</tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-comment"># You should have received a copy of the GNU General Public License</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-comment"># along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"><tt class="py-docstring">an extension of the Cornet class which adds word similarity measures</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"><tt class="py-comment"># TODO:</tt> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line"><tt class="py-comment"># - other similarity measures based on path lenght</tt> </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line"><tt class="py-comment"># - units tests</tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line"> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line"> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line"><tt class="py-name">__author__</tt> <tt class="py-op">=</tt> <tt class="py-string">'Erwin Marsi &lt;e.c.marsi@uvt.nl&gt;'</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line"><tt id="link-0" class="py-name" targets="Variable cornetto.cornet.__revision__=cornetto.cornet-module.html#__revision__,Variable cornetto.parse.__revision__=cornetto.parse-module.html#__revision__,Variable cornetto.server.__revision__=cornetto.server-module.html#__revision__,Variable cornetto.simcornet.__revision__=cornetto.simcornet-module.html#__revision__,Variable cornetto.simserver.__revision__=cornetto.simserver-module.html#__revision__"><a title="cornetto.cornet.__revision__
cornetto.parse.__revision__
cornetto.server.__revision__
cornetto.simcornet.__revision__
cornetto.simserver.__revision__" class="py-name" href="#" onclick="return doclink('link-0', '__revision__', 'link-0');">__revision__</a></tt> <tt class="py-op">=</tt> <tt class="py-string">'$Id: simcornet.py 1148 2009-11-16 12:00:20Z emarsi $'</tt> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line"><tt class="py-name">__version__</tt> <tt class="py-op">=</tt> <tt class="py-string">'0.6'</tt> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line"> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">math</tt> <tt class="py-keyword">import</tt> <tt class="py-name">log</tt> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line"> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-1" class="py-name" targets="Package cornetto=cornetto-module.html"><a title="cornetto" class="py-name" href="#" onclick="return doclink('link-1', 'cornetto', 'link-1');">cornetto</a></tt><tt class="py-op">.</tt><tt id="link-2" class="py-name" targets="Module cornetto.parse=cornetto.parse-module.html"><a title="cornetto.parse" class="py-name" href="#" onclick="return doclink('link-2', 'parse', 'link-2');">parse</a></tt> <tt class="py-keyword">import</tt> <tt id="link-3" class="py-name" targets="Function cornetto.parse.parse_cdb_with_counts()=cornetto.parse-module.html#parse_cdb_with_counts"><a title="cornetto.parse.parse_cdb_with_counts" class="py-name" href="#" onclick="return doclink('link-3', 'parse_cdb_with_counts', 'link-3');">parse_cdb_with_counts</a></tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-4" class="py-name"><a title="cornetto" class="py-name" href="#" onclick="return doclink('link-4', 'cornetto', 'link-1');">cornetto</a></tt><tt class="py-op">.</tt><tt id="link-5" class="py-name" targets="Module cornetto.cornet=cornetto.cornet-module.html"><a title="cornetto.cornet" class="py-name" href="#" onclick="return doclink('link-5', 'cornet', 'link-5');">cornet</a></tt> <tt class="py-keyword">import</tt> <tt id="link-6" class="py-name" targets="Class cornetto.cornet.Cornet=cornetto.cornet.Cornet-class.html"><a title="cornetto.cornet.Cornet" class="py-name" href="#" onclick="return doclink('link-6', 'Cornet', 'link-6');">Cornet</a></tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line"> </tt>
<a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line"> </tt>
<a name="SimCornet"></a><div id="SimCornet-def"><a name="L41"></a><tt class="py-lineno"> 41</tt> <a class="py-toggle" href="#" id="SimCornet-toggle" onclick="return toggle('SimCornet');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html">SimCornet</a><tt class="py-op">(</tt><tt class="py-base-class">Cornet</tt><tt class="py-op">)</tt><tt class="py-op">:</tt>     </tt>
</div><a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line"><tt class="py-docstring">    An extension of the Cornet class which adds word similarity measures.</tt> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line"><tt class="py-docstring">    This assumes counts are added to the Cornetto database. </tt> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line">     </tt>
<a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line">    <tt class="py-comment"># ------------------------------------------------------------------------------        </tt> </tt>
<a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line">    <tt class="py-comment"># Public methods</tt> </tt>
<a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line">    <tt class="py-comment"># ------------------------------------------------------------------------------  </tt> </tt>
<a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line">     </tt>
<a name="SimCornet.open"></a><div id="SimCornet.open-def"><a name="L51"></a><tt class="py-lineno"> 51</tt> <a class="py-toggle" href="#" id="SimCornet.open-toggle" onclick="return toggle('SimCornet.open');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#open">open</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">cdb_lu</tt><tt class="py-op">,</tt> <tt class="py-param">cdb_syn</tt><tt class="py-op">,</tt> <tt class="py-param">verbose</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet.open-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet.open-expanded"><a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line"><tt class="py-docstring">        Open and parse Cornetto database files with counts</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line"><tt class="py-docstring">        @param cdb_lu: xml definition of the lexical units with counts</tt> </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line"><tt class="py-docstring">        @type cdb_lu: file or filename</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line"><tt class="py-docstring">        @param cdb_syn: xml definition of the synsets</tt> </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line"><tt class="py-docstring">        @type cdb_syn: file or filename</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword verbose: verbose output during parsing</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">        <tt class="py-op">(</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_form2lu</tt><tt class="py-op">,</tt>  </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line">          <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_c_lu_id2lu</tt><tt class="py-op">,</tt> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line">          <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_c_sy_id2synset</tt><tt class="py-op">,</tt>  </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">          <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_graph</tt><tt class="py-op">,</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line">          <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_cat2counts</tt> <tt class="py-op">)</tt> <tt class="py-op">=</tt> <tt id="link-7" class="py-name"><a title="cornetto.parse.parse_cdb_with_counts" class="py-name" href="#" onclick="return doclink('link-7', 'parse_cdb_with_counts', 'link-3');">parse_cdb_with_counts</a></tt><tt class="py-op">(</tt><tt class="py-name">cdb_lu</tt><tt class="py-op">,</tt> <tt class="py-name">cdb_syn</tt><tt class="py-op">,</tt> <tt class="py-name">verbose</tt><tt class="py-op">)</tt> </tt>
</div><a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">         </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line">     </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line">    <tt class="py-comment"># counts</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line"> </tt>
<a name="SimCornet.get_count"></a><div id="SimCornet.get_count-def"><a name="L70"></a><tt class="py-lineno"> 70</tt> <a class="py-toggle" href="#" id="SimCornet.get_count-toggle" onclick="return toggle('SimCornet.get_count');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#get_count">get_count</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec</tt><tt class="py-op">,</tt> <tt class="py-param">subcount</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">format</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet.get_count-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet.get_count-expanded"><a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line"><tt class="py-docstring">        Get (sub)counts for lexical units satisfying this specification</tt> </tt>
<a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line"><tt class="py-docstring">        &gt;&gt;&gt; c.get_counts("varen")</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line"><tt class="py-docstring">        {'varen:noun:1': 434,</tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line"><tt class="py-docstring">         'varen:verb:1': 15803,</tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line"><tt class="py-docstring">         'varen:verb:2': 15803,</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line"><tt class="py-docstring">         'varen:verb:3': 15803}</tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line"><tt class="py-docstring">        &gt;&gt;&gt; pprint(c.get_counts("varen", subcount=True))</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line"><tt class="py-docstring">        {'varen:noun:1': 434,</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line"><tt class="py-docstring">         'varen:verb:1': 18977,</tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line"><tt class="py-docstring">         'varen:verb:2': 62086,</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line"><tt class="py-docstring">         'varen:verb:3': 15803}</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec: lexical unit specification</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword subcount: return subcounts instead of plain counts</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line"><tt class="py-docstring">        @type subcount: bool</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword format: output format</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line"><tt class="py-docstring">        @type format: 'spec', 'xml', 'raw'</tt> </tt>
<a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line"><tt class="py-docstring">        @return: mapping of lexical units in requested output format </tt> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line"><tt class="py-docstring">                 to (sub)counts</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: dict</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line"><tt class="py-docstring">        @note: As the counts are currently based on lemma plus part-of-speech, </tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line"><tt class="py-docstring">               not on the sense, they are the same for all senses of the </tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line"><tt class="py-docstring">               same category,</tt> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line">        <tt class="py-name">formatter</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-8" class="py-name" targets="Method cornetto.cornet.Cornet._get_lex_unit_formatter()=cornetto.cornet.Cornet-class.html#_get_lex_unit_formatter"><a title="cornetto.cornet.Cornet._get_lex_unit_formatter" class="py-name" href="#" onclick="return doclink('link-8', '_get_lex_unit_formatter', 'link-8');">_get_lex_unit_formatter</a></tt><tt class="py-op">(</tt><tt class="py-name">format</tt><tt class="py-op">)</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line">        <tt class="py-name">lu2count</tt> <tt class="py-op">=</tt> <tt class="py-name">dict</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line">         </tt>
<a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">lu</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-9" class="py-name" targets="Method cornetto.cornet.Cornet.get_lex_units()=cornetto.cornet.Cornet-class.html#get_lex_units,Method cornetto.server.CornetProxy.get_lex_units()=cornetto.server.CornetProxy-class.html#get_lex_units"><a title="cornetto.cornet.Cornet.get_lex_units
cornetto.server.CornetProxy.get_lex_units" class="py-name" href="#" onclick="return doclink('link-9', 'get_lex_units', 'link-9');">get_lex_units</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec</tt><tt class="py-op">,</tt> <tt class="py-string">"raw"</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">            <tt class="py-name">lu2count</tt><tt class="py-op">[</tt><tt class="py-name">formatter</tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-10" class="py-name" targets="Method cornetto.simcornet.SimCornet._get_lu_count()=cornetto.simcornet.SimCornet-class.html#_get_lu_count"><a title="cornetto.simcornet.SimCornet._get_lu_count" class="py-name" href="#" onclick="return doclink('link-10', '_get_lu_count', 'link-10');">_get_lu_count</a></tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">,</tt> <tt class="py-name">subcount</tt><tt class="py-op">)</tt> </tt>
<a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">             </tt>
<a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">lu2count</tt> </tt>
</div><a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line">     </tt>
<a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line">     </tt>
<a name="SimCornet.get_total_counts"></a><div id="SimCornet.get_total_counts-def"><a name="L111"></a><tt class="py-lineno">111</tt> <a class="py-toggle" href="#" id="SimCornet.get_total_counts-toggle" onclick="return toggle('SimCornet.get_total_counts');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#get_total_counts">get_total_counts</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet.get_total_counts-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet.get_total_counts-expanded"><a name="L112"></a><tt class="py-lineno">112</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L113"></a><tt class="py-lineno">113</tt>  <tt class="py-line"><tt class="py-docstring">        Get the total counts per category and overall</tt> </tt>
<a name="L114"></a><tt class="py-lineno">114</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L115"></a><tt class="py-lineno">115</tt>  <tt class="py-line"><tt class="py-docstring">        The categories are "noun", "verb", "adj", "other";</tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt>  <tt class="py-line"><tt class="py-docstring">        "all" represents the overall count.</tt> </tt>
<a name="L117"></a><tt class="py-lineno">117</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L118"></a><tt class="py-lineno">118</tt>  <tt class="py-line"><tt class="py-docstring">        &gt;&gt;&gt; c.get_total_counts()</tt> </tt>
<a name="L119"></a><tt class="py-lineno">119</tt>  <tt class="py-line"><tt class="py-docstring">        {'adj': 62156445,</tt> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt>  <tt class="py-line"><tt class="py-docstring">         'all': 518291832,</tt> </tt>
<a name="L121"></a><tt class="py-lineno">121</tt>  <tt class="py-line"><tt class="py-docstring">         'noun': 187143322,</tt> </tt>
<a name="L122"></a><tt class="py-lineno">122</tt>  <tt class="py-line"><tt class="py-docstring">         'other': 199269966,</tt> </tt>
<a name="L123"></a><tt class="py-lineno">123</tt>  <tt class="py-line"><tt class="py-docstring">         'verb': 69722099}</tt> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt>  <tt class="py-line"><tt class="py-docstring">        @return: mapping of categories to counts</tt> </tt>
<a name="L126"></a><tt class="py-lineno">126</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: dict</tt> </tt>
<a name="L127"></a><tt class="py-lineno">127</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L128"></a><tt class="py-lineno">128</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_cat2counts</tt> </tt>
</div><a name="L129"></a><tt class="py-lineno">129</tt>  <tt class="py-line">     </tt>
<a name="L130"></a><tt class="py-lineno">130</tt>  <tt class="py-line">     </tt>
<a name="L131"></a><tt class="py-lineno">131</tt>  <tt class="py-line">    <tt class="py-comment"># statistics</tt> </tt>
<a name="L132"></a><tt class="py-lineno">132</tt>  <tt class="py-line">     </tt>
<a name="SimCornet.get_probability"></a><div id="SimCornet.get_probability-def"><a name="L133"></a><tt class="py-lineno">133</tt> <a class="py-toggle" href="#" id="SimCornet.get_probability-toggle" onclick="return toggle('SimCornet.get_probability');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#get_probability">get_probability</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec</tt><tt class="py-op">,</tt> <tt class="py-param">subcount</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">smooth</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> </tt>
<a name="L134"></a><tt class="py-lineno">134</tt>  <tt class="py-line">                        <tt class="py-param">cat_totals</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">format</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet.get_probability-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet.get_probability-expanded"><a name="L135"></a><tt class="py-lineno">135</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L136"></a><tt class="py-lineno">136</tt>  <tt class="py-line"><tt class="py-docstring">        Get probability (p) for lexical units satisfying this specification,</tt> </tt>
<a name="L137"></a><tt class="py-lineno">137</tt>  <tt class="py-line"><tt class="py-docstring">        where the probability is defined as lu_count / total_count.</tt> </tt>
<a name="L138"></a><tt class="py-lineno">138</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L139"></a><tt class="py-lineno">139</tt>  <tt class="py-line"><tt class="py-docstring">        By default, the total count is taken to be the sum of counts over all</tt> </tt>
<a name="L140"></a><tt class="py-lineno">140</tt>  <tt class="py-line"><tt class="py-docstring">        word forms in the Cornetto database. However, when comparing two words</tt> </tt>
<a name="L141"></a><tt class="py-lineno">141</tt>  <tt class="py-line"><tt class="py-docstring">        of the same category (nouns, verbs, adjectives) it may be more</tt> </tt>
<a name="L142"></a><tt class="py-lineno">142</tt>  <tt class="py-line"><tt class="py-docstring">        appropriate to take the sum over only the word forms of this category.</tt> </tt>
<a name="L143"></a><tt class="py-lineno">143</tt>  <tt class="py-line"><tt class="py-docstring">        This method is used if the keyword "cat_totals" is true.</tt> </tt>
<a name="L144"></a><tt class="py-lineno">144</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L145"></a><tt class="py-lineno">145</tt>  <tt class="py-line"><tt class="py-docstring">        &gt;&gt;&gt; c.get_probabilities("varen")</tt> </tt>
<a name="L146"></a><tt class="py-lineno">146</tt>  <tt class="py-line"><tt class="py-docstring">        {'varen:noun:1': 8.3736608066013281e-07,</tt> </tt>
<a name="L147"></a><tt class="py-lineno">147</tt>  <tt class="py-line"><tt class="py-docstring">         'varen:verb:1': 3.0490544176663777e-05,</tt> </tt>
<a name="L148"></a><tt class="py-lineno">148</tt>  <tt class="py-line"><tt class="py-docstring">         'varen:verb:2': 3.0490544176663777e-05,</tt> </tt>
<a name="L149"></a><tt class="py-lineno">149</tt>  <tt class="py-line"><tt class="py-docstring">         'varen:verb:3': 3.0490544176663777e-05}</tt> </tt>
<a name="L150"></a><tt class="py-lineno">150</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L151"></a><tt class="py-lineno">151</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec: lexical unit specification</tt> </tt>
<a name="L152"></a><tt class="py-lineno">152</tt>  <tt class="py-line"><tt class="py-docstring">        @type lu_spec: string</tt> </tt>
<a name="L153"></a><tt class="py-lineno">153</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L154"></a><tt class="py-lineno">154</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword subcount: use subcounts instead of plain counts</tt> </tt>
<a name="L155"></a><tt class="py-lineno">155</tt>  <tt class="py-line"><tt class="py-docstring">        @type subcount: bool</tt> </tt>
<a name="L156"></a><tt class="py-lineno">156</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L157"></a><tt class="py-lineno">157</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword smooth: smooth counts by adding one to lexical units </tt> </tt>
<a name="L158"></a><tt class="py-lineno">158</tt>  <tt class="py-line"><tt class="py-docstring">            with a zero count</tt> </tt>
<a name="L159"></a><tt class="py-lineno">159</tt>  <tt class="py-line"><tt class="py-docstring">        @type smooth: bool</tt> </tt>
<a name="L160"></a><tt class="py-lineno">160</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L161"></a><tt class="py-lineno">161</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword cat_totals: use total count for category of lexical unit</tt> </tt>
<a name="L162"></a><tt class="py-lineno">162</tt>  <tt class="py-line"><tt class="py-docstring">            instead of overall total count</tt> </tt>
<a name="L163"></a><tt class="py-lineno">163</tt>  <tt class="py-line"><tt class="py-docstring">        @type cat_totals: bool</tt> </tt>
<a name="L164"></a><tt class="py-lineno">164</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L165"></a><tt class="py-lineno">165</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword format: output format</tt> </tt>
<a name="L166"></a><tt class="py-lineno">166</tt>  <tt class="py-line"><tt class="py-docstring">        @type format: 'spec', 'xml', 'raw'</tt> </tt>
<a name="L167"></a><tt class="py-lineno">167</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L168"></a><tt class="py-lineno">168</tt>  <tt class="py-line"><tt class="py-docstring">        @return: mapping of lexical units in requested output format </tt> </tt>
<a name="L169"></a><tt class="py-lineno">169</tt>  <tt class="py-line"><tt class="py-docstring">                 to probabilties</tt> </tt>
<a name="L170"></a><tt class="py-lineno">170</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: dict</tt> </tt>
<a name="L171"></a><tt class="py-lineno">171</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L172"></a><tt class="py-lineno">172</tt>  <tt class="py-line">        <tt class="py-name">formatter</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-11" class="py-name"><a title="cornetto.cornet.Cornet._get_lex_unit_formatter" class="py-name" href="#" onclick="return doclink('link-11', '_get_lex_unit_formatter', 'link-8');">_get_lex_unit_formatter</a></tt><tt class="py-op">(</tt><tt class="py-name">format</tt><tt class="py-op">)</tt> </tt>
<a name="L173"></a><tt class="py-lineno">173</tt>  <tt class="py-line">        <tt class="py-name">lu2prob</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L174"></a><tt class="py-lineno">174</tt>  <tt class="py-line">         </tt>
<a name="L175"></a><tt class="py-lineno">175</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">lu</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-12" class="py-name"><a title="cornetto.cornet.Cornet.get_lex_units
cornetto.server.CornetProxy.get_lex_units" class="py-name" href="#" onclick="return doclink('link-12', 'get_lex_units', 'link-9');">get_lex_units</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec</tt><tt class="py-op">,</tt> <tt class="py-name">format</tt><tt class="py-op">=</tt><tt class="py-string">"raw"</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L176"></a><tt class="py-lineno">176</tt>  <tt class="py-line">            <tt class="py-name">lu2prob</tt><tt class="py-op">[</tt><tt class="py-name">formatter</tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-13" class="py-name" targets="Method cornetto.simcornet.SimCornet._p()=cornetto.simcornet.SimCornet-class.html#_p"><a title="cornetto.simcornet.SimCornet._p" class="py-name" href="#" onclick="return doclink('link-13', '_p', 'link-13');">_p</a></tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">,</tt> <tt class="py-name">subcount</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt> </tt>
<a name="L177"></a><tt class="py-lineno">177</tt>  <tt class="py-line">             </tt>
<a name="L178"></a><tt class="py-lineno">178</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">lu2prob</tt> </tt>
</div><a name="L179"></a><tt class="py-lineno">179</tt>  <tt class="py-line"> </tt>
<a name="L180"></a><tt class="py-lineno">180</tt>  <tt class="py-line">            </tt>
<a name="SimCornet.get_info_content"></a><div id="SimCornet.get_info_content-def"><a name="L181"></a><tt class="py-lineno">181</tt> <a class="py-toggle" href="#" id="SimCornet.get_info_content-toggle" onclick="return toggle('SimCornet.get_info_content');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#get_info_content">get_info_content</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec</tt><tt class="py-op">,</tt> <tt class="py-param">subcount</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">smooth</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">cat_totals</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> </tt>
<a name="L182"></a><tt class="py-lineno">182</tt>  <tt class="py-line">                         <tt class="py-param">format</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet.get_info_content-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet.get_info_content-expanded"><a name="L183"></a><tt class="py-lineno">183</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L184"></a><tt class="py-lineno">184</tt>  <tt class="py-line"><tt class="py-docstring">        Get information content (IC) for lexical units satisfying this</tt> </tt>
<a name="L185"></a><tt class="py-lineno">185</tt>  <tt class="py-line"><tt class="py-docstring">        specification, defined as the negative log of the lexical unit's</tt> </tt>
<a name="L186"></a><tt class="py-lineno">186</tt>  <tt class="py-line"><tt class="py-docstring">        probability, i.e. -log_2(lu_count / total_count)</tt> </tt>
<a name="L187"></a><tt class="py-lineno">187</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L188"></a><tt class="py-lineno">188</tt>  <tt class="py-line"><tt class="py-docstring">        If a lexical unit has a count of zero, the probability is zero, the</tt> </tt>
<a name="L189"></a><tt class="py-lineno">189</tt>  <tt class="py-line"><tt class="py-docstring">        log is undefined, and None is returned. Unless the keyword "smooth" is</tt> </tt>
<a name="L190"></a><tt class="py-lineno">190</tt>  <tt class="py-line"><tt class="py-docstring">        true, in which case the count is smoothed by adding one.</tt> </tt>
<a name="L191"></a><tt class="py-lineno">191</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L192"></a><tt class="py-lineno">192</tt>  <tt class="py-line"><tt class="py-docstring">        If no lexical unit matches the specification, an empty mapping is</tt> </tt>
<a name="L193"></a><tt class="py-lineno">193</tt>  <tt class="py-line"><tt class="py-docstring">        returned.</tt> </tt>
<a name="L194"></a><tt class="py-lineno">194</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L195"></a><tt class="py-lineno">195</tt>  <tt class="py-line"><tt class="py-docstring">        &gt;&gt;&gt; pprint(c.get_info_content("plant"))</tt> </tt>
<a name="L196"></a><tt class="py-lineno">196</tt>  <tt class="py-line"><tt class="py-docstring">        {'plant:noun:1': 14.51769181264614}</tt> </tt>
<a name="L197"></a><tt class="py-lineno">197</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L198"></a><tt class="py-lineno">198</tt>  <tt class="py-line"><tt class="py-docstring">        &gt;&gt;&gt; pprint(c.get_info_content("plant", subcount=True))</tt> </tt>
<a name="L199"></a><tt class="py-lineno">199</tt>  <tt class="py-line"><tt class="py-docstring">        {'plant:noun:1': 10.482770362490861}</tt> </tt>
<a name="L200"></a><tt class="py-lineno">200</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L201"></a><tt class="py-lineno">201</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec: lexical unit specification</tt> </tt>
<a name="L202"></a><tt class="py-lineno">202</tt>  <tt class="py-line"><tt class="py-docstring">        @type lu_spec: string</tt> </tt>
<a name="L203"></a><tt class="py-lineno">203</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L204"></a><tt class="py-lineno">204</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword subcount: use subcounts instead of plain counts</tt> </tt>
<a name="L205"></a><tt class="py-lineno">205</tt>  <tt class="py-line"><tt class="py-docstring">        @type subcount: bool</tt> </tt>
<a name="L206"></a><tt class="py-lineno">206</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L207"></a><tt class="py-lineno">207</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword smooth: smooth counts by adding one to lexical units </tt> </tt>
<a name="L208"></a><tt class="py-lineno">208</tt>  <tt class="py-line"><tt class="py-docstring">            with a zero count</tt> </tt>
<a name="L209"></a><tt class="py-lineno">209</tt>  <tt class="py-line"><tt class="py-docstring">        @type smooth: bool</tt> </tt>
<a name="L210"></a><tt class="py-lineno">210</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L211"></a><tt class="py-lineno">211</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword cat_totals: use total count for category of lexical unit</tt> </tt>
<a name="L212"></a><tt class="py-lineno">212</tt>  <tt class="py-line"><tt class="py-docstring">            instead of overall total count</tt> </tt>
<a name="L213"></a><tt class="py-lineno">213</tt>  <tt class="py-line"><tt class="py-docstring">        @type cat_totals: bool</tt> </tt>
<a name="L214"></a><tt class="py-lineno">214</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L215"></a><tt class="py-lineno">215</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword format: output format</tt> </tt>
<a name="L216"></a><tt class="py-lineno">216</tt>  <tt class="py-line"><tt class="py-docstring">        @type format: 'spec', 'xml', 'raw'</tt> </tt>
<a name="L217"></a><tt class="py-lineno">217</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L218"></a><tt class="py-lineno">218</tt>  <tt class="py-line"><tt class="py-docstring">        @return: mapping of lexical units in requested output format </tt> </tt>
<a name="L219"></a><tt class="py-lineno">219</tt>  <tt class="py-line"><tt class="py-docstring">                 to information content</tt> </tt>
<a name="L220"></a><tt class="py-lineno">220</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: dict</tt> </tt>
<a name="L221"></a><tt class="py-lineno">221</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L222"></a><tt class="py-lineno">222</tt>  <tt class="py-line">        <tt class="py-name">formatter</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-14" class="py-name"><a title="cornetto.cornet.Cornet._get_lex_unit_formatter" class="py-name" href="#" onclick="return doclink('link-14', '_get_lex_unit_formatter', 'link-8');">_get_lex_unit_formatter</a></tt><tt class="py-op">(</tt><tt class="py-name">format</tt><tt class="py-op">)</tt> </tt>
<a name="L223"></a><tt class="py-lineno">223</tt>  <tt class="py-line">        <tt class="py-name">lu2ic</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L224"></a><tt class="py-lineno">224</tt>  <tt class="py-line">         </tt>
<a name="L225"></a><tt class="py-lineno">225</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">lu</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-15" class="py-name"><a title="cornetto.cornet.Cornet.get_lex_units
cornetto.server.CornetProxy.get_lex_units" class="py-name" href="#" onclick="return doclink('link-15', 'get_lex_units', 'link-9');">get_lex_units</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec</tt><tt class="py-op">,</tt> <tt class="py-name">format</tt><tt class="py-op">=</tt><tt class="py-string">"raw"</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L226"></a><tt class="py-lineno">226</tt>  <tt class="py-line">            <tt class="py-name">lu2ic</tt><tt class="py-op">[</tt><tt class="py-name">formatter</tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-16" class="py-name" targets="Method cornetto.simcornet.SimCornet._IC()=cornetto.simcornet.SimCornet-class.html#_IC"><a title="cornetto.simcornet.SimCornet._IC" class="py-name" href="#" onclick="return doclink('link-16', '_IC', 'link-16');">_IC</a></tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">,</tt> <tt class="py-name">subcount</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt> </tt>
<a name="L227"></a><tt class="py-lineno">227</tt>  <tt class="py-line">             </tt>
<a name="L228"></a><tt class="py-lineno">228</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">lu2ic</tt> </tt>
</div><a name="L229"></a><tt class="py-lineno">229</tt>  <tt class="py-line">         </tt>
<a name="L230"></a><tt class="py-lineno">230</tt>  <tt class="py-line">     </tt>
<a name="L231"></a><tt class="py-lineno">231</tt>  <tt class="py-line">    <tt class="py-comment"># corpus-based similarity metrics</tt> </tt>
<a name="L232"></a><tt class="py-lineno">232</tt>  <tt class="py-line">         </tt>
<a name="SimCornet.resnik_sim"></a><div id="SimCornet.resnik_sim-def"><a name="L233"></a><tt class="py-lineno">233</tt> <a class="py-toggle" href="#" id="SimCornet.resnik_sim-toggle" onclick="return toggle('SimCornet.resnik_sim');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#resnik_sim">resnik_sim</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec1</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec2</tt><tt class="py-op">,</tt> <tt class="py-param">smooth</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">cat_totals</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> </tt>
<a name="L234"></a><tt class="py-lineno">234</tt>  <tt class="py-line">                   <tt class="py-param">format</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet.resnik_sim-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet.resnik_sim-expanded"><a name="L235"></a><tt class="py-lineno">235</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L236"></a><tt class="py-lineno">236</tt>  <tt class="py-line"><tt class="py-docstring">        Compute the semantic similarity as decribed in Philip Resnik's paper</tt> </tt>
<a name="L237"></a><tt class="py-lineno">237</tt>  <tt class="py-line"><tt class="py-docstring">        "Using Information Content to Evaluate Semantic Similarity in a</tt> </tt>
<a name="L238"></a><tt class="py-lineno">238</tt>  <tt class="py-line"><tt class="py-docstring">        Taxonomy" (1995). It is defined for a pair of concepts c1 and c2 as:</tt> </tt>
<a name="L239"></a><tt class="py-lineno">239</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L240"></a><tt class="py-lineno">240</tt>  <tt class="py-line"><tt class="py-docstring">        argmax [IC(c1) + IC(c2) - 2 * IC(lcs)] for all lcs in LCS(c1, c2)</tt> </tt>
<a name="L241"></a><tt class="py-lineno">241</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L242"></a><tt class="py-lineno">242</tt>  <tt class="py-line"><tt class="py-docstring">        In other words, the maximum value of the information content over all </tt> </tt>
<a name="L243"></a><tt class="py-lineno">243</tt>  <tt class="py-line"><tt class="py-docstring">        least common subsumers of two concepts. An important point is that the </tt> </tt>
<a name="L244"></a><tt class="py-lineno">244</tt>  <tt class="py-line"><tt class="py-docstring">        counts of an LCS, as used in computing its probabilty, is the sum of </tt> </tt>
<a name="L245"></a><tt class="py-lineno">245</tt>  <tt class="py-line"><tt class="py-docstring">        its own count plus the counts of all concepts that it subsumes.</tt> </tt>
<a name="L246"></a><tt class="py-lineno">246</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L247"></a><tt class="py-lineno">247</tt>  <tt class="py-line"><tt class="py-docstring">        As suggested by Resnik, it can be extended to _word_ similarity by</tt> </tt>
<a name="L248"></a><tt class="py-lineno">248</tt>  <tt class="py-line"><tt class="py-docstring">        taking the maximum over the scores for all concepts that are senses of</tt> </tt>
<a name="L249"></a><tt class="py-lineno">249</tt>  <tt class="py-line"><tt class="py-docstring">        the word. This means that if just two words are specified - without a</tt> </tt>
<a name="L250"></a><tt class="py-lineno">250</tt>  <tt class="py-line"><tt class="py-docstring">        category or sense - two sets of matching lexical units are retrieved.</tt> </tt>
<a name="L251"></a><tt class="py-lineno">251</tt>  <tt class="py-line"><tt class="py-docstring">        For every combination of lexical units from these two sets, the LCS is</tt> </tt>
<a name="L252"></a><tt class="py-lineno">252</tt>  <tt class="py-line"><tt class="py-docstring">        computed (if any), and the one with the maximum information content is</tt> </tt>
<a name="L253"></a><tt class="py-lineno">253</tt>  <tt class="py-line"><tt class="py-docstring">        selected.</tt> </tt>
<a name="L254"></a><tt class="py-lineno">254</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L255"></a><tt class="py-lineno">255</tt>  <tt class="py-line"><tt class="py-docstring">        If no LCS is found, this can mean two things:        </tt> </tt>
<a name="L256"></a><tt class="py-lineno">256</tt>  <tt class="py-line"><tt class="py-docstring">            1. The two words have no LCS because they truely have nothing </tt> </tt>
<a name="L257"></a><tt class="py-lineno">257</tt>  <tt class="py-line"><tt class="py-docstring">               in common. In this case we assume the LCS is zero and therefore </tt> </tt>
<a name="L258"></a><tt class="py-lineno">258</tt>  <tt class="py-line"><tt class="py-docstring">               we return zero.</tt> </tt>
<a name="L259"></a><tt class="py-lineno">259</tt>  <tt class="py-line"><tt class="py-docstring">            2. The two words should have something in common, but the correct </tt> </tt>
<a name="L260"></a><tt class="py-lineno">260</tt>  <tt class="py-line"><tt class="py-docstring">               LCS is not present in the Cornetto database. However, since </tt> </tt>
<a name="L261"></a><tt class="py-lineno">261</tt>  <tt class="py-line"><tt class="py-docstring">               there is no way to know this, we consider this the same as (1),</tt> </tt>
<a name="L262"></a><tt class="py-lineno">262</tt>  <tt class="py-line"><tt class="py-docstring">               and zero is returned.</tt> </tt>
<a name="L263"></a><tt class="py-lineno">263</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L264"></a><tt class="py-lineno">264</tt>  <tt class="py-line"><tt class="py-docstring">        There are two more marginal cases:</tt> </tt>
<a name="L265"></a><tt class="py-lineno">265</tt>  <tt class="py-line"><tt class="py-docstring">            1. No lexical units in the Cornetto database match the </tt> </tt>
<a name="L266"></a><tt class="py-lineno">266</tt>  <tt class="py-line"><tt class="py-docstring">               specifications. </tt> </tt>
<a name="L267"></a><tt class="py-lineno">267</tt>  <tt class="py-line"><tt class="py-docstring">            2. All LCS have a subcount of zero, and no smoothing was applied,</tt> </tt>
<a name="L268"></a><tt class="py-lineno">268</tt>  <tt class="py-line"><tt class="py-docstring">               so its IC is undefined. </tt> </tt>
<a name="L269"></a><tt class="py-lineno">269</tt>  <tt class="py-line"><tt class="py-docstring">        In both cases None is returned.</tt> </tt>
<a name="L270"></a><tt class="py-lineno">270</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L271"></a><tt class="py-lineno">271</tt>  <tt class="py-line"><tt class="py-docstring">        Notice that it is difficult to compare Resnik's word similarities,</tt> </tt>
<a name="L272"></a><tt class="py-lineno">272</tt>  <tt class="py-line"><tt class="py-docstring">        because they depend on the subcounts. With identical words, for instance,</tt> </tt>
<a name="L273"></a><tt class="py-lineno">273</tt>  <tt class="py-line"><tt class="py-docstring">        resnik_sim("iets", "iets") = 1.3113543459343666 whereas</tt> </tt>
<a name="L274"></a><tt class="py-lineno">274</tt>  <tt class="py-line"><tt class="py-docstring">        resnik_sim("spotje", "spotje") = 25.141834494846584</tt> </tt>
<a name="L275"></a><tt class="py-lineno">275</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L276"></a><tt class="py-lineno">276</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec1: first lexical unit(s) specification</tt> </tt>
<a name="L277"></a><tt class="py-lineno">277</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec2: second lexical unit(s) specification</tt> </tt>
<a name="L278"></a><tt class="py-lineno">278</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L279"></a><tt class="py-lineno">279</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword smooth: smooth by adding one to lexical units with a zero count</tt> </tt>
<a name="L280"></a><tt class="py-lineno">280</tt>  <tt class="py-line"><tt class="py-docstring">        @type smooth: bool</tt> </tt>
<a name="L281"></a><tt class="py-lineno">281</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L282"></a><tt class="py-lineno">282</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword cat_totals: use total count for category of lexical unit</tt> </tt>
<a name="L283"></a><tt class="py-lineno">283</tt>  <tt class="py-line"><tt class="py-docstring">            instead of overall total count</tt> </tt>
<a name="L284"></a><tt class="py-lineno">284</tt>  <tt class="py-line"><tt class="py-docstring">        @type cat_totals: bool</tt> </tt>
<a name="L285"></a><tt class="py-lineno">285</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L286"></a><tt class="py-lineno">286</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword format: output format</tt> </tt>
<a name="L287"></a><tt class="py-lineno">287</tt>  <tt class="py-line"><tt class="py-docstring">        @type format: 'spec', 'xml', 'raw'</tt> </tt>
<a name="L288"></a><tt class="py-lineno">288</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L289"></a><tt class="py-lineno">289</tt>  <tt class="py-line"><tt class="py-docstring">        @return: similarity score greater than or equal to zero</tt> </tt>
<a name="L290"></a><tt class="py-lineno">290</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float or None</tt> </tt>
<a name="L291"></a><tt class="py-lineno">291</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L292"></a><tt class="py-lineno">292</tt>  <tt class="py-line">        <tt class="py-name">max_sim</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L293"></a><tt class="py-lineno">293</tt>  <tt class="py-line">         </tt>
<a name="L294"></a><tt class="py-lineno">294</tt>  <tt class="py-line">        <tt class="py-comment"># If no matching lex units were found, we return None        </tt> </tt>
<a name="L295"></a><tt class="py-lineno">295</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-17" class="py-name"><a title="cornetto.cornet.Cornet.get_lex_units
cornetto.server.CornetProxy.get_lex_units" class="py-name" href="#" onclick="return doclink('link-17', 'get_lex_units', 'link-9');">get_lex_units</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec1</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-18" class="py-name"><a title="cornetto.cornet.Cornet.get_lex_units
cornetto.server.CornetProxy.get_lex_units" class="py-name" href="#" onclick="return doclink('link-18', 'get_lex_units', 'link-9');">get_lex_units</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec2</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L296"></a><tt class="py-lineno">296</tt>  <tt class="py-line">            <tt class="py-name">lcs_ics</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-19" class="py-name"><a title="cornetto.simcornet.SimCornet._IC" class="py-name" href="#" onclick="return doclink('link-19', '_IC', 'link-16');">_IC</a></tt><tt class="py-op">(</tt><tt class="py-name">lcs</tt><tt class="py-op">,</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt> </tt>
<a name="L297"></a><tt class="py-lineno">297</tt>  <tt class="py-line">                        <tt class="py-keyword">for</tt> <tt class="py-name">lcs</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-20" class="py-name" targets="Method cornetto.cornet.Cornet.least_common_subsumers()=cornetto.cornet.Cornet-class.html#least_common_subsumers,Method cornetto.server.CornetProxy.least_common_subsumers()=cornetto.server.CornetProxy-class.html#least_common_subsumers"><a title="cornetto.cornet.Cornet.least_common_subsumers
cornetto.server.CornetProxy.least_common_subsumers" class="py-name" href="#" onclick="return doclink('link-20', 'least_common_subsumers', 'link-20');">least_common_subsumers</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec1</tt><tt class="py-op">,</tt>  </tt>
<a name="L298"></a><tt class="py-lineno">298</tt>  <tt class="py-line">                                                               <tt class="py-name">lu_spec2</tt><tt class="py-op">,</tt> </tt>
<a name="L299"></a><tt class="py-lineno">299</tt>  <tt class="py-line">                                                               <tt class="py-name">format</tt><tt class="py-op">=</tt><tt class="py-string">"raw"</tt><tt class="py-op">)</tt> <tt class="py-op">]</tt> </tt>
<a name="L300"></a><tt class="py-lineno">300</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">lcs_ics</tt><tt class="py-op">:</tt> </tt>
<a name="L301"></a><tt class="py-lineno">301</tt>  <tt class="py-line">                <tt class="py-comment"># If all lcs have a subount of zero (or no "subcount" attrib),</tt> </tt>
<a name="L302"></a><tt class="py-lineno">302</tt>  <tt class="py-line">                <tt class="py-comment"># then lcs_ics is [None, ..., None], and we return None,</tt> </tt>
<a name="L303"></a><tt class="py-lineno">303</tt>  <tt class="py-line">                <tt class="py-comment"># because max[None, ..., None]() == None</tt> </tt>
<a name="L304"></a><tt class="py-lineno">304</tt>  <tt class="py-line">                <tt class="py-name">max_sim</tt> <tt class="py-op">=</tt> <tt class="py-name">max</tt><tt class="py-op">(</tt><tt class="py-name">lcs_ics</tt><tt class="py-op">)</tt> </tt>
<a name="L305"></a><tt class="py-lineno">305</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L306"></a><tt class="py-lineno">306</tt>  <tt class="py-line">                <tt class="py-comment"># Matching lex units do exist but have no lcs, which is</tt> </tt>
<a name="L307"></a><tt class="py-lineno">307</tt>  <tt class="py-line">                <tt class="py-comment"># comparable to sharing only "the ultimate abstract", which</tt> </tt>
<a name="L308"></a><tt class="py-lineno">308</tt>  <tt class="py-line">                <tt class="py-comment"># has an IC of zero, and therefore similarity is zero. In</tt> </tt>
<a name="L309"></a><tt class="py-lineno">309</tt>  <tt class="py-line">                <tt class="py-comment"># reality, of course, the true lcs may simply be missing from</tt> </tt>
<a name="L310"></a><tt class="py-lineno">310</tt>  <tt class="py-line">                <tt class="py-comment"># the db.</tt> </tt>
<a name="L311"></a><tt class="py-lineno">311</tt>  <tt class="py-line">                <tt class="py-name">max_sim</tt> <tt class="py-op">=</tt> <tt class="py-number">0.0</tt> </tt>
<a name="L312"></a><tt class="py-lineno">312</tt>  <tt class="py-line"> </tt>
<a name="L313"></a><tt class="py-lineno">313</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">max_sim</tt> </tt>
</div><a name="L314"></a><tt class="py-lineno">314</tt>  <tt class="py-line">     </tt>
<a name="L315"></a><tt class="py-lineno">315</tt>  <tt class="py-line">     </tt>
<a name="SimCornet.jiang_conrath_dist"></a><div id="SimCornet.jiang_conrath_dist-def"><a name="L316"></a><tt class="py-lineno">316</tt> <a class="py-toggle" href="#" id="SimCornet.jiang_conrath_dist-toggle" onclick="return toggle('SimCornet.jiang_conrath_dist');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#jiang_conrath_dist">jiang_conrath_dist</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec1</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec2</tt><tt class="py-op">,</tt> <tt class="py-param">smooth</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> </tt>
<a name="L317"></a><tt class="py-lineno">317</tt>  <tt class="py-line">                           <tt class="py-param">cat_totals</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">format</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet.jiang_conrath_dist-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet.jiang_conrath_dist-expanded"><a name="L318"></a><tt class="py-lineno">318</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L319"></a><tt class="py-lineno">319</tt>  <tt class="py-line"><tt class="py-docstring">        Compute the semantic distance as decribed in Jay Jiang &amp; David</tt> </tt>
<a name="L320"></a><tt class="py-lineno">320</tt>  <tt class="py-line"><tt class="py-docstring">        Conrath's paper "Semantic Similarity Based on Corpus Statistics and</tt> </tt>
<a name="L321"></a><tt class="py-lineno">321</tt>  <tt class="py-line"><tt class="py-docstring">        Lexical Taxonomy" (1997). It is defined for a pair of concepts c1 and</tt> </tt>
<a name="L322"></a><tt class="py-lineno">322</tt>  <tt class="py-line"><tt class="py-docstring">        c2 as:</tt> </tt>
<a name="L323"></a><tt class="py-lineno">323</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L324"></a><tt class="py-lineno">324</tt>  <tt class="py-line"><tt class="py-docstring">        argmin [IC(c1) + IC(c2) - 2 * IC(lcs)] for all lcs in LCS(c1, c2)</tt> </tt>
<a name="L325"></a><tt class="py-lineno">325</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L326"></a><tt class="py-lineno">326</tt>  <tt class="py-line"><tt class="py-docstring">        This is without the edge and node weighting scheme, which is not</tt> </tt>
<a name="L327"></a><tt class="py-lineno">327</tt>  <tt class="py-line"><tt class="py-docstring">        implemented here. The measure is extended to a _word_ distance measure</tt> </tt>
<a name="L328"></a><tt class="py-lineno">328</tt>  <tt class="py-line"><tt class="py-docstring">        by taking the minimum over the scores for all concepts (lexical units)</tt> </tt>
<a name="L329"></a><tt class="py-lineno">329</tt>  <tt class="py-line"><tt class="py-docstring">        that are senses of the word (cf. doc of resnik_sim).</tt> </tt>
<a name="L330"></a><tt class="py-lineno">330</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L331"></a><tt class="py-lineno">331</tt>  <tt class="py-line"><tt class="py-docstring">        If no LCS is found, this can mean two things:        </tt> </tt>
<a name="L332"></a><tt class="py-lineno">332</tt>  <tt class="py-line"><tt class="py-docstring">            1. The two words have no LCS because they truely have nothing </tt> </tt>
<a name="L333"></a><tt class="py-lineno">333</tt>  <tt class="py-line"><tt class="py-docstring">               in common. In this case we assume the LCS is zero and therefore </tt> </tt>
<a name="L334"></a><tt class="py-lineno">334</tt>  <tt class="py-line"><tt class="py-docstring">               we return the minimun of IC(c1) + IC(c2).</tt> </tt>
<a name="L335"></a><tt class="py-lineno">335</tt>  <tt class="py-line"><tt class="py-docstring">            2. The two words should have something in common, but the correct </tt> </tt>
<a name="L336"></a><tt class="py-lineno">336</tt>  <tt class="py-line"><tt class="py-docstring">               LCS is not present in the Cornetto database. However, since </tt> </tt>
<a name="L337"></a><tt class="py-lineno">337</tt>  <tt class="py-line"><tt class="py-docstring">               there is no way to know this, we consider this the same as (1),</tt> </tt>
<a name="L338"></a><tt class="py-lineno">338</tt>  <tt class="py-line"><tt class="py-docstring">               and we return the minimun of IC(c1) + IC(c2).</tt> </tt>
<a name="L339"></a><tt class="py-lineno">339</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L340"></a><tt class="py-lineno">340</tt>  <tt class="py-line"><tt class="py-docstring">        There are three more marginal cases:</tt> </tt>
<a name="L341"></a><tt class="py-lineno">341</tt>  <tt class="py-line"><tt class="py-docstring">            1. No lexical units in the Cornetto database match the </tt> </tt>
<a name="L342"></a><tt class="py-lineno">342</tt>  <tt class="py-line"><tt class="py-docstring">               specifications.</tt> </tt>
<a name="L343"></a><tt class="py-lineno">343</tt>  <tt class="py-line"><tt class="py-docstring">            2. All matching lexical units have a subcount of zero,</tt> </tt>
<a name="L344"></a><tt class="py-lineno">344</tt>  <tt class="py-line"><tt class="py-docstring">               and no smoothing was applied, so their IC is undefined. </tt> </tt>
<a name="L345"></a><tt class="py-lineno">345</tt>  <tt class="py-line"><tt class="py-docstring">            3. All LCS have a subcount of zero, and no smoothing was applied,</tt> </tt>
<a name="L346"></a><tt class="py-lineno">346</tt>  <tt class="py-line"><tt class="py-docstring">               so its IC is undefined. This implies that all subsumed</tt> </tt>
<a name="L347"></a><tt class="py-lineno">347</tt>  <tt class="py-line"><tt class="py-docstring">               lexical units must have a subcount of zero, and therefore</tt> </tt>
<a name="L348"></a><tt class="py-lineno">348</tt>  <tt class="py-line"><tt class="py-docstring">               (2) must be the case as well.  </tt> </tt>
<a name="L349"></a><tt class="py-lineno">349</tt>  <tt class="py-line"><tt class="py-docstring">        In all of these three cases None is returned.</tt> </tt>
<a name="L350"></a><tt class="py-lineno">350</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L351"></a><tt class="py-lineno">351</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec1: first lexical unit(s) specification</tt> </tt>
<a name="L352"></a><tt class="py-lineno">352</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec2: second lexical unit(s) specification</tt> </tt>
<a name="L353"></a><tt class="py-lineno">353</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L354"></a><tt class="py-lineno">354</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword smooth: smooth by adding one to lexical units with a zero count</tt> </tt>
<a name="L355"></a><tt class="py-lineno">355</tt>  <tt class="py-line"><tt class="py-docstring">        @type smooth: bool</tt> </tt>
<a name="L356"></a><tt class="py-lineno">356</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L357"></a><tt class="py-lineno">357</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword cat_totals: use total count for category of lexical unit</tt> </tt>
<a name="L358"></a><tt class="py-lineno">358</tt>  <tt class="py-line"><tt class="py-docstring">            instead of overall total count</tt> </tt>
<a name="L359"></a><tt class="py-lineno">359</tt>  <tt class="py-line"><tt class="py-docstring">        @type cat_totals: bool</tt> </tt>
<a name="L360"></a><tt class="py-lineno">360</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L361"></a><tt class="py-lineno">361</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword format: output format</tt> </tt>
<a name="L362"></a><tt class="py-lineno">362</tt>  <tt class="py-line"><tt class="py-docstring">        @type format: 'spec', 'xml', 'raw'</tt> </tt>
<a name="L363"></a><tt class="py-lineno">363</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L364"></a><tt class="py-lineno">364</tt>  <tt class="py-line"><tt class="py-docstring">        @return: distance greater than of equal to zero</tt> </tt>
<a name="L365"></a><tt class="py-lineno">365</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float or None</tt> </tt>
<a name="L366"></a><tt class="py-lineno">366</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L367"></a><tt class="py-lineno">367</tt>  <tt class="py-line">        <tt class="py-comment"># It is tempting to simply call self.least_common_subsumers(lu_spec1,</tt> </tt>
<a name="L368"></a><tt class="py-lineno">368</tt>  <tt class="py-line">        <tt class="py-comment"># lu_spec2), but that would return _all_ lcs. However, since lu_spec1</tt> </tt>
<a name="L369"></a><tt class="py-lineno">369</tt>  <tt class="py-line">        <tt class="py-comment"># and lu_spec2 may be underspecified, they may both refer to sets of</tt> </tt>
<a name="L370"></a><tt class="py-lineno">370</tt>  <tt class="py-line">        <tt class="py-comment"># lexical units. Not every returned lcs is neccessarily also a true</tt> </tt>
<a name="L371"></a><tt class="py-lineno">371</tt>  <tt class="py-line">        <tt class="py-comment"># lcs for all the combinations of these lexical units. For these</tt> </tt>
<a name="L372"></a><tt class="py-lineno">372</tt>  <tt class="py-line">        <tt class="py-comment"># cases, the calculation of ic1 + ic2 - 2 * lcs_ic would be invalid.</tt> </tt>
<a name="L373"></a><tt class="py-lineno">373</tt>  <tt class="py-line">         </tt>
<a name="L374"></a><tt class="py-lineno">374</tt>  <tt class="py-line">        <tt class="py-name">lus1</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-21" class="py-name"><a title="cornetto.cornet.Cornet.get_lex_units
cornetto.server.CornetProxy.get_lex_units" class="py-name" href="#" onclick="return doclink('link-21', 'get_lex_units', 'link-9');">get_lex_units</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec1</tt><tt class="py-op">,</tt> <tt class="py-name">format</tt><tt class="py-op">=</tt><tt class="py-string">"raw"</tt><tt class="py-op">)</tt> </tt>
<a name="L375"></a><tt class="py-lineno">375</tt>  <tt class="py-line">        <tt class="py-name">lus2</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-22" class="py-name"><a title="cornetto.cornet.Cornet.get_lex_units
cornetto.server.CornetProxy.get_lex_units" class="py-name" href="#" onclick="return doclink('link-22', 'get_lex_units', 'link-9');">get_lex_units</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec2</tt><tt class="py-op">,</tt> <tt class="py-name">format</tt><tt class="py-op">=</tt><tt class="py-string">"raw"</tt><tt class="py-op">)</tt> </tt>
<a name="L376"></a><tt class="py-lineno">376</tt>  <tt class="py-line">         </tt>
<a name="L377"></a><tt class="py-lineno">377</tt>  <tt class="py-line">        <tt class="py-name">min_dist</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L378"></a><tt class="py-lineno">378</tt>  <tt class="py-line">         </tt>
<a name="L379"></a><tt class="py-lineno">379</tt>  <tt class="py-line">        <tt class="py-comment"># TODO: can be optimized in several ways, e.g.</tt> </tt>
<a name="L380"></a><tt class="py-lineno">380</tt>  <tt class="py-line">        <tt class="py-comment"># transtive_closure and IC's for lu2 are calculated multiple times </tt> </tt>
<a name="L381"></a><tt class="py-lineno">381</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">lu1</tt> <tt class="py-keyword">in</tt> <tt class="py-name">lus1</tt><tt class="py-op">:</tt> </tt>
<a name="L382"></a><tt class="py-lineno">382</tt>  <tt class="py-line">            <tt class="py-name">ic1</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-23" class="py-name"><a title="cornetto.simcornet.SimCornet._IC" class="py-name" href="#" onclick="return doclink('link-23', '_IC', 'link-16');">_IC</a></tt><tt class="py-op">(</tt><tt class="py-name">lu1</tt><tt class="py-op">,</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt> </tt>
<a name="L383"></a><tt class="py-lineno">383</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">ic1</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L384"></a><tt class="py-lineno">384</tt>  <tt class="py-line">                <tt class="py-comment"># zero count or no "subcount" attrib found </tt> </tt>
<a name="L385"></a><tt class="py-lineno">385</tt>  <tt class="py-line">                <tt class="py-keyword">continue</tt> </tt>
<a name="L386"></a><tt class="py-lineno">386</tt>  <tt class="py-line">             </tt>
<a name="L387"></a><tt class="py-lineno">387</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">lu2</tt> <tt class="py-keyword">in</tt> <tt class="py-name">lus2</tt><tt class="py-op">:</tt> </tt>
<a name="L388"></a><tt class="py-lineno">388</tt>  <tt class="py-line">                <tt class="py-name">ic2</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-24" class="py-name"><a title="cornetto.simcornet.SimCornet._IC" class="py-name" href="#" onclick="return doclink('link-24', '_IC', 'link-16');">_IC</a></tt><tt class="py-op">(</tt><tt class="py-name">lu2</tt><tt class="py-op">,</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt> </tt>
<a name="L389"></a><tt class="py-lineno">389</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">ic2</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L390"></a><tt class="py-lineno">390</tt>  <tt class="py-line">                    <tt class="py-comment"># zero count or no "subcount" attrib found </tt> </tt>
<a name="L391"></a><tt class="py-lineno">391</tt>  <tt class="py-line">                    <tt class="py-keyword">continue</tt> </tt>
<a name="L392"></a><tt class="py-lineno">392</tt>  <tt class="py-line">                 </tt>
<a name="L393"></a><tt class="py-lineno">393</tt>  <tt class="py-line">                <tt class="py-comment"># hmmm, conversion back to spec stinks</tt> </tt>
<a name="L394"></a><tt class="py-lineno">394</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">lcs</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-25" class="py-name"><a title="cornetto.cornet.Cornet.least_common_subsumers
cornetto.server.CornetProxy.least_common_subsumers" class="py-name" href="#" onclick="return doclink('link-25', 'least_common_subsumers', 'link-20');">least_common_subsumers</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-26" class="py-name" targets="Method cornetto.cornet.Cornet._lu_to_spec()=cornetto.cornet.Cornet-class.html#_lu_to_spec"><a title="cornetto.cornet.Cornet._lu_to_spec" class="py-name" href="#" onclick="return doclink('link-26', '_lu_to_spec', 'link-26');">_lu_to_spec</a></tt><tt class="py-op">(</tt><tt class="py-name">lu1</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L395"></a><tt class="py-lineno">395</tt>  <tt class="py-line">                                                       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-27" class="py-name"><a title="cornetto.cornet.Cornet._lu_to_spec" class="py-name" href="#" onclick="return doclink('link-27', '_lu_to_spec', 'link-26');">_lu_to_spec</a></tt><tt class="py-op">(</tt><tt class="py-name">lu2</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L396"></a><tt class="py-lineno">396</tt>  <tt class="py-line">                                                       <tt class="py-name">format</tt><tt class="py-op">=</tt><tt class="py-string">"raw"</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L397"></a><tt class="py-lineno">397</tt>  <tt class="py-line">                    <tt class="py-name">lcs_ic</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-28" class="py-name"><a title="cornetto.simcornet.SimCornet._IC" class="py-name" href="#" onclick="return doclink('link-28', '_IC', 'link-16');">_IC</a></tt><tt class="py-op">(</tt><tt class="py-name">lcs</tt><tt class="py-op">,</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt> </tt>
<a name="L398"></a><tt class="py-lineno">398</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">lcs_ic</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L399"></a><tt class="py-lineno">399</tt>  <tt class="py-line">                        <tt class="py-comment"># No "subcount" attrib found - this should never happen</tt> </tt>
<a name="L400"></a><tt class="py-lineno">400</tt>  <tt class="py-line">                        <tt class="py-comment"># Note that the subcount cannot be zero, as in that case</tt> </tt>
<a name="L401"></a><tt class="py-lineno">401</tt>  <tt class="py-line">                        <tt class="py-comment"># the subcounts of all subsumed lexical units, including</tt> </tt>
<a name="L402"></a><tt class="py-lineno">402</tt>  <tt class="py-line">                        <tt class="py-comment"># lu1 and lu2, must be zero as well. </tt> </tt>
<a name="L403"></a><tt class="py-lineno">403</tt>  <tt class="py-line">                        <tt class="py-keyword">continue</tt> </tt>
<a name="L404"></a><tt class="py-lineno">404</tt>  <tt class="py-line">                     </tt>
<a name="L405"></a><tt class="py-lineno">405</tt>  <tt class="py-line">                    <tt class="py-name">new_dist</tt> <tt class="py-op">=</tt> <tt class="py-name">ic1</tt> <tt class="py-op">+</tt> <tt class="py-name">ic2</tt> <tt class="py-op">-</tt> <tt class="py-number">2</tt> <tt class="py-op">*</tt> <tt class="py-name">lcs_ic</tt> </tt>
<a name="L406"></a><tt class="py-lineno">406</tt>  <tt class="py-line">                     </tt>
<a name="L407"></a><tt class="py-lineno">407</tt>  <tt class="py-line">                    <tt class="py-comment"># cannot use not "min_dist" here, because min_dist may be zero!</tt> </tt>
<a name="L408"></a><tt class="py-lineno">408</tt>  <tt class="py-line">                    <tt class="py-comment"># cannot use min() here, because min(0, None) == None</tt> </tt>
<a name="L409"></a><tt class="py-lineno">409</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">min_dist</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> <tt class="py-keyword">or</tt> <tt class="py-name">new_dist</tt> <tt class="py-op">&lt;</tt> <tt class="py-name">min_dist</tt><tt class="py-op">:</tt> </tt>
<a name="L410"></a><tt class="py-lineno">410</tt>  <tt class="py-line">                        <tt class="py-name">min_dist</tt> <tt class="py-op">=</tt> <tt class="py-name">new_dist</tt> </tt>
<a name="L411"></a><tt class="py-lineno">411</tt>  <tt class="py-line">                     </tt>
<a name="L412"></a><tt class="py-lineno">412</tt>  <tt class="py-line">                <tt class="py-comment"># At this point we are sure that we have valid ic1 and ic2.</tt> </tt>
<a name="L413"></a><tt class="py-lineno">413</tt>  <tt class="py-line">                <tt class="py-comment"># If no lcs was found, we assume lcs_ic is zero, </tt> </tt>
<a name="L414"></a><tt class="py-lineno">414</tt>  <tt class="py-line">                <tt class="py-comment"># and thus the sim score is ic1 + ic2.</tt> </tt>
<a name="L415"></a><tt class="py-lineno">415</tt>  <tt class="py-line">                <tt class="py-name">new_dist</tt> <tt class="py-op">=</tt> <tt class="py-name">ic1</tt> <tt class="py-op">+</tt> <tt class="py-name">ic2</tt> </tt>
<a name="L416"></a><tt class="py-lineno">416</tt>  <tt class="py-line">                 </tt>
<a name="L417"></a><tt class="py-lineno">417</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">min_dist</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> <tt class="py-keyword">or</tt> <tt class="py-name">new_dist</tt> <tt class="py-op">&lt;</tt> <tt class="py-name">min_dist</tt><tt class="py-op">:</tt> </tt>
<a name="L418"></a><tt class="py-lineno">418</tt>  <tt class="py-line">                    <tt class="py-name">min_dist</tt> <tt class="py-op">=</tt> <tt class="py-name">new_dist</tt> </tt>
<a name="L419"></a><tt class="py-lineno">419</tt>  <tt class="py-line">                         </tt>
<a name="L420"></a><tt class="py-lineno">420</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">min_dist</tt> </tt>
</div><a name="L421"></a><tt class="py-lineno">421</tt>  <tt class="py-line">     </tt>
<a name="L422"></a><tt class="py-lineno">422</tt>  <tt class="py-line">     </tt>
<a name="SimCornet.jiang_conrath_sim"></a><div id="SimCornet.jiang_conrath_sim-def"><a name="L423"></a><tt class="py-lineno">423</tt> <a class="py-toggle" href="#" id="SimCornet.jiang_conrath_sim-toggle" onclick="return toggle('SimCornet.jiang_conrath_sim');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#jiang_conrath_sim">jiang_conrath_sim</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec1</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec2</tt><tt class="py-op">,</tt> <tt class="py-param">smooth</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> </tt>
<a name="L424"></a><tt class="py-lineno">424</tt>  <tt class="py-line">                           <tt class="py-param">cat_totals</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">format</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet.jiang_conrath_sim-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet.jiang_conrath_sim-expanded"><a name="L425"></a><tt class="py-lineno">425</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L426"></a><tt class="py-lineno">426</tt>  <tt class="py-line"><tt class="py-docstring">        Returns Jiang &amp; Conrath's distance converted to a similarity</tt> </tt>
<a name="L427"></a><tt class="py-lineno">427</tt>  <tt class="py-line"><tt class="py-docstring">        by means of sim = 1 / (1 + dist). See jiang_conrath_dist</tt> </tt>
<a name="L428"></a><tt class="py-lineno">428</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L429"></a><tt class="py-lineno">429</tt>  <tt class="py-line"><tt class="py-docstring">        If the distance is None, so is the similarity.</tt> </tt>
<a name="L430"></a><tt class="py-lineno">430</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L431"></a><tt class="py-lineno">431</tt>  <tt class="py-line"><tt class="py-docstring">        The translation from distance to similarity is not uniform. That is,</tt> </tt>
<a name="L432"></a><tt class="py-lineno">432</tt>  <tt class="py-line"><tt class="py-docstring">        the space between the distances 1 and 2 and between the distances 2</tt> </tt>
<a name="L433"></a><tt class="py-lineno">433</tt>  <tt class="py-line"><tt class="py-docstring">        and 3 is the same (i.e. 1), but the space between the corresponding</tt> </tt>
<a name="L434"></a><tt class="py-lineno">434</tt>  <tt class="py-line"><tt class="py-docstring">        similaraties, i.e. between 0.5 and 0.33 and between 0.33 and 0.25, is</tt> </tt>
<a name="L435"></a><tt class="py-lineno">435</tt>  <tt class="py-line"><tt class="py-docstring">        not.</tt> </tt>
<a name="L436"></a><tt class="py-lineno">436</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L437"></a><tt class="py-lineno">437</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec1: first lexical unit(s) specification</tt> </tt>
<a name="L438"></a><tt class="py-lineno">438</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec2: second lexical unit(s) specification</tt> </tt>
<a name="L439"></a><tt class="py-lineno">439</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L440"></a><tt class="py-lineno">440</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword smooth: smooth by adding one to lexical units with a zero count</tt> </tt>
<a name="L441"></a><tt class="py-lineno">441</tt>  <tt class="py-line"><tt class="py-docstring">        @type smooth: bool</tt> </tt>
<a name="L442"></a><tt class="py-lineno">442</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L443"></a><tt class="py-lineno">443</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword cat_totals: use total count for category of lexical unit</tt> </tt>
<a name="L444"></a><tt class="py-lineno">444</tt>  <tt class="py-line"><tt class="py-docstring">            instead of overall total count</tt> </tt>
<a name="L445"></a><tt class="py-lineno">445</tt>  <tt class="py-line"><tt class="py-docstring">        @type cat_totals: bool</tt> </tt>
<a name="L446"></a><tt class="py-lineno">446</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L447"></a><tt class="py-lineno">447</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword format: output format</tt> </tt>
<a name="L448"></a><tt class="py-lineno">448</tt>  <tt class="py-line"><tt class="py-docstring">        @type format: 'spec', 'xml', 'raw'</tt> </tt>
<a name="L449"></a><tt class="py-lineno">449</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L450"></a><tt class="py-lineno">450</tt>  <tt class="py-line"><tt class="py-docstring">        @return: similarity score between zero and one included.</tt> </tt>
<a name="L451"></a><tt class="py-lineno">451</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float or None</tt> </tt>
<a name="L452"></a><tt class="py-lineno">452</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L453"></a><tt class="py-lineno">453</tt>  <tt class="py-line">        <tt class="py-name">sim</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-29" class="py-name" targets="Method cornetto.simcornet.SimCornet.jiang_conrath_dist()=cornetto.simcornet.SimCornet-class.html#jiang_conrath_dist,Method cornetto.simserver.SimCornetProxy.jiang_conrath_dist()=cornetto.simserver.SimCornetProxy-class.html#jiang_conrath_dist"><a title="cornetto.simcornet.SimCornet.jiang_conrath_dist
cornetto.simserver.SimCornetProxy.jiang_conrath_dist" class="py-name" href="#" onclick="return doclink('link-29', 'jiang_conrath_dist', 'link-29');">jiang_conrath_dist</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec1</tt><tt class="py-op">,</tt> <tt class="py-name">lu_spec2</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">,</tt>                            </tt>
<a name="L454"></a><tt class="py-lineno">454</tt>  <tt class="py-line">                                      <tt class="py-name">format</tt><tt class="py-op">)</tt> </tt>
<a name="L455"></a><tt class="py-lineno">455</tt>  <tt class="py-line">        <tt class="py-comment"># sim is None if no matching lexical units were found,</tt> </tt>
<a name="L456"></a><tt class="py-lineno">456</tt>  <tt class="py-line">        <tt class="py-comment"># or if any of thenm have a (sub)count of zero</tt> </tt>
<a name="L457"></a><tt class="py-lineno">457</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">sim</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L458"></a><tt class="py-lineno">458</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-number">1</tt> <tt class="py-op">/</tt> <tt class="py-op">(</tt> <tt class="py-number">1</tt> <tt class="py-op">+</tt> <tt class="py-name">sim</tt><tt class="py-op">)</tt> </tt>
</div><a name="L459"></a><tt class="py-lineno">459</tt>  <tt class="py-line">     </tt>
<a name="L460"></a><tt class="py-lineno">460</tt>  <tt class="py-line">     </tt>
<a name="SimCornet.lin_sim"></a><div id="SimCornet.lin_sim-def"><a name="L461"></a><tt class="py-lineno">461</tt> <a class="py-toggle" href="#" id="SimCornet.lin_sim-toggle" onclick="return toggle('SimCornet.lin_sim');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#lin_sim">lin_sim</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec1</tt><tt class="py-op">,</tt> <tt class="py-param">lu_spec2</tt><tt class="py-op">,</tt> <tt class="py-param">smooth</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">cat_totals</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> </tt>
<a name="L462"></a><tt class="py-lineno">462</tt>  <tt class="py-line">                <tt class="py-param">format</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet.lin_sim-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet.lin_sim-expanded"><a name="L463"></a><tt class="py-lineno">463</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L464"></a><tt class="py-lineno">464</tt>  <tt class="py-line"><tt class="py-docstring">        Compute the semantic similarity as decribed in the paper Dekang Lin's </tt> </tt>
<a name="L465"></a><tt class="py-lineno">465</tt>  <tt class="py-line"><tt class="py-docstring">        paper "An information-theoretic definition of similarity" (1998).</tt> </tt>
<a name="L466"></a><tt class="py-lineno">466</tt>  <tt class="py-line"><tt class="py-docstring">        It is defined for a pair of concepts c1 and c2 as:</tt> </tt>
<a name="L467"></a><tt class="py-lineno">467</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L468"></a><tt class="py-lineno">468</tt>  <tt class="py-line"><tt class="py-docstring">        argmax [2 * IC(lcs) / (IC(c1) + IC(c2))] for all lcs in LCS(c1, c2)</tt> </tt>
<a name="L469"></a><tt class="py-lineno">469</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L470"></a><tt class="py-lineno">470</tt>  <tt class="py-line"><tt class="py-docstring">        This measure is extended to a _word_ distance measure by taking the</tt> </tt>
<a name="L471"></a><tt class="py-lineno">471</tt>  <tt class="py-line"><tt class="py-docstring">        maximum over the scores for all concepts (lexical units) that are</tt> </tt>
<a name="L472"></a><tt class="py-lineno">472</tt>  <tt class="py-line"><tt class="py-docstring">        senses of the word (cf. doc of resnik_sim).</tt> </tt>
<a name="L473"></a><tt class="py-lineno">473</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L474"></a><tt class="py-lineno">474</tt>  <tt class="py-line"><tt class="py-docstring">        If no LCS is found, this can mean two things:        </tt> </tt>
<a name="L475"></a><tt class="py-lineno">475</tt>  <tt class="py-line"><tt class="py-docstring">            1. The two words have no LCS because they truely have nothing </tt> </tt>
<a name="L476"></a><tt class="py-lineno">476</tt>  <tt class="py-line"><tt class="py-docstring">               in common. In this case we assume the IC of the LCS is zero and</tt> </tt>
<a name="L477"></a><tt class="py-lineno">477</tt>  <tt class="py-line"><tt class="py-docstring">               we return zero.</tt> </tt>
<a name="L478"></a><tt class="py-lineno">478</tt>  <tt class="py-line"><tt class="py-docstring">            2. The two words should have something in common, but the correct </tt> </tt>
<a name="L479"></a><tt class="py-lineno">479</tt>  <tt class="py-line"><tt class="py-docstring">               LCS is not present in the Cornetto database. However, since </tt> </tt>
<a name="L480"></a><tt class="py-lineno">480</tt>  <tt class="py-line"><tt class="py-docstring">               there is no way to know this, we consider this the same as (1),</tt> </tt>
<a name="L481"></a><tt class="py-lineno">481</tt>  <tt class="py-line"><tt class="py-docstring">               and we return zero.</tt> </tt>
<a name="L482"></a><tt class="py-lineno">482</tt>  <tt class="py-line"><tt class="py-docstring">               </tt> </tt>
<a name="L483"></a><tt class="py-lineno">483</tt>  <tt class="py-line"><tt class="py-docstring">        There are three more marginal cases:</tt> </tt>
<a name="L484"></a><tt class="py-lineno">484</tt>  <tt class="py-line"><tt class="py-docstring">            1. No lexical units in the Cornetto database match the </tt> </tt>
<a name="L485"></a><tt class="py-lineno">485</tt>  <tt class="py-line"><tt class="py-docstring">               specifications. </tt> </tt>
<a name="L486"></a><tt class="py-lineno">486</tt>  <tt class="py-line"><tt class="py-docstring">            2. All matching lexical units have a subcount of zero,</tt> </tt>
<a name="L487"></a><tt class="py-lineno">487</tt>  <tt class="py-line"><tt class="py-docstring">               and no smoothing was applied, so their IC is undefined. </tt> </tt>
<a name="L488"></a><tt class="py-lineno">488</tt>  <tt class="py-line"><tt class="py-docstring">            3. All LCS have a subcount of zero, and no smoothing was applied,</tt> </tt>
<a name="L489"></a><tt class="py-lineno">489</tt>  <tt class="py-line"><tt class="py-docstring">               so its IC is undefined. This implies that all subsumed</tt> </tt>
<a name="L490"></a><tt class="py-lineno">490</tt>  <tt class="py-line"><tt class="py-docstring">               lexical units must have a subcount of zero, and therefore</tt> </tt>
<a name="L491"></a><tt class="py-lineno">491</tt>  <tt class="py-line"><tt class="py-docstring">               (2) must be the case as well.  </tt> </tt>
<a name="L492"></a><tt class="py-lineno">492</tt>  <tt class="py-line"><tt class="py-docstring">        In all of these three cases None is returned.</tt> </tt>
<a name="L493"></a><tt class="py-lineno">493</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L494"></a><tt class="py-lineno">494</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L495"></a><tt class="py-lineno">495</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec1: first lexical unit(s) specification</tt> </tt>
<a name="L496"></a><tt class="py-lineno">496</tt>  <tt class="py-line"><tt class="py-docstring">        @param lu_spec2: second lexical unit(s) specification</tt> </tt>
<a name="L497"></a><tt class="py-lineno">497</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L498"></a><tt class="py-lineno">498</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword smooth: smooth by adding one to lexical units with a zero count</tt> </tt>
<a name="L499"></a><tt class="py-lineno">499</tt>  <tt class="py-line"><tt class="py-docstring">        @type smooth: bool</tt> </tt>
<a name="L500"></a><tt class="py-lineno">500</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L501"></a><tt class="py-lineno">501</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword cat_totals: use total count for category of lexical unit</tt> </tt>
<a name="L502"></a><tt class="py-lineno">502</tt>  <tt class="py-line"><tt class="py-docstring">            instead of overall total count</tt> </tt>
<a name="L503"></a><tt class="py-lineno">503</tt>  <tt class="py-line"><tt class="py-docstring">        @type cat_totals: bool</tt> </tt>
<a name="L504"></a><tt class="py-lineno">504</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L505"></a><tt class="py-lineno">505</tt>  <tt class="py-line"><tt class="py-docstring">        @keyword format: output format</tt> </tt>
<a name="L506"></a><tt class="py-lineno">506</tt>  <tt class="py-line"><tt class="py-docstring">        @type format: 'spec', 'xml', 'raw'</tt> </tt>
<a name="L507"></a><tt class="py-lineno">507</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L508"></a><tt class="py-lineno">508</tt>  <tt class="py-line"><tt class="py-docstring">        @return: similarity score between zero and one included</tt> </tt>
<a name="L509"></a><tt class="py-lineno">509</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float or None</tt> </tt>
<a name="L510"></a><tt class="py-lineno">510</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L511"></a><tt class="py-lineno">511</tt>  <tt class="py-line">        <tt class="py-comment"># this is alomst identical to jiang_conrath_dist</tt> </tt>
<a name="L512"></a><tt class="py-lineno">512</tt>  <tt class="py-line">        <tt class="py-name">lus1</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-30" class="py-name"><a title="cornetto.cornet.Cornet.get_lex_units
cornetto.server.CornetProxy.get_lex_units" class="py-name" href="#" onclick="return doclink('link-30', 'get_lex_units', 'link-9');">get_lex_units</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec1</tt><tt class="py-op">,</tt> <tt class="py-name">format</tt><tt class="py-op">=</tt><tt class="py-string">"raw"</tt><tt class="py-op">)</tt> </tt>
<a name="L513"></a><tt class="py-lineno">513</tt>  <tt class="py-line">        <tt class="py-name">lus2</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-31" class="py-name"><a title="cornetto.cornet.Cornet.get_lex_units
cornetto.server.CornetProxy.get_lex_units" class="py-name" href="#" onclick="return doclink('link-31', 'get_lex_units', 'link-9');">get_lex_units</a></tt><tt class="py-op">(</tt><tt class="py-name">lu_spec2</tt><tt class="py-op">,</tt> <tt class="py-name">format</tt><tt class="py-op">=</tt><tt class="py-string">"raw"</tt><tt class="py-op">)</tt> </tt>
<a name="L514"></a><tt class="py-lineno">514</tt>  <tt class="py-line">         </tt>
<a name="L515"></a><tt class="py-lineno">515</tt>  <tt class="py-line">        <tt class="py-name">max_sim</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L516"></a><tt class="py-lineno">516</tt>  <tt class="py-line">         </tt>
<a name="L517"></a><tt class="py-lineno">517</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">lu1</tt> <tt class="py-keyword">in</tt> <tt class="py-name">lus1</tt><tt class="py-op">:</tt> </tt>
<a name="L518"></a><tt class="py-lineno">518</tt>  <tt class="py-line">            <tt class="py-name">ic1</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-32" class="py-name"><a title="cornetto.simcornet.SimCornet._IC" class="py-name" href="#" onclick="return doclink('link-32', '_IC', 'link-16');">_IC</a></tt><tt class="py-op">(</tt><tt class="py-name">lu1</tt><tt class="py-op">,</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt> </tt>
<a name="L519"></a><tt class="py-lineno">519</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">ic1</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L520"></a><tt class="py-lineno">520</tt>  <tt class="py-line">                <tt class="py-comment"># zero count or no "subcount" attrib found  </tt> </tt>
<a name="L521"></a><tt class="py-lineno">521</tt>  <tt class="py-line">                <tt class="py-keyword">continue</tt> </tt>
<a name="L522"></a><tt class="py-lineno">522</tt>  <tt class="py-line">             </tt>
<a name="L523"></a><tt class="py-lineno">523</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">lu2</tt> <tt class="py-keyword">in</tt> <tt class="py-name">lus2</tt><tt class="py-op">:</tt> </tt>
<a name="L524"></a><tt class="py-lineno">524</tt>  <tt class="py-line">                <tt class="py-name">ic2</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-33" class="py-name"><a title="cornetto.simcornet.SimCornet._IC" class="py-name" href="#" onclick="return doclink('link-33', '_IC', 'link-16');">_IC</a></tt><tt class="py-op">(</tt><tt class="py-name">lu2</tt><tt class="py-op">,</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt> </tt>
<a name="L525"></a><tt class="py-lineno">525</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">ic2</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt>  </tt>
<a name="L526"></a><tt class="py-lineno">526</tt>  <tt class="py-line">                    <tt class="py-comment"># zero count or no "subcount" attrib found </tt> </tt>
<a name="L527"></a><tt class="py-lineno">527</tt>  <tt class="py-line">                    <tt class="py-keyword">continue</tt> </tt>
<a name="L528"></a><tt class="py-lineno">528</tt>  <tt class="py-line">                 </tt>
<a name="L529"></a><tt class="py-lineno">529</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">lcs</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-34" class="py-name"><a title="cornetto.cornet.Cornet.least_common_subsumers
cornetto.server.CornetProxy.least_common_subsumers" class="py-name" href="#" onclick="return doclink('link-34', 'least_common_subsumers', 'link-20');">least_common_subsumers</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-35" class="py-name"><a title="cornetto.cornet.Cornet._lu_to_spec" class="py-name" href="#" onclick="return doclink('link-35', '_lu_to_spec', 'link-26');">_lu_to_spec</a></tt><tt class="py-op">(</tt><tt class="py-name">lu1</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L530"></a><tt class="py-lineno">530</tt>  <tt class="py-line">                                                       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-36" class="py-name"><a title="cornetto.cornet.Cornet._lu_to_spec" class="py-name" href="#" onclick="return doclink('link-36', '_lu_to_spec', 'link-26');">_lu_to_spec</a></tt><tt class="py-op">(</tt><tt class="py-name">lu2</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L531"></a><tt class="py-lineno">531</tt>  <tt class="py-line">                                                       <tt class="py-name">format</tt><tt class="py-op">=</tt><tt class="py-string">"raw"</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L532"></a><tt class="py-lineno">532</tt>  <tt class="py-line">                    <tt class="py-name">lcs_ic</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-37" class="py-name"><a title="cornetto.simcornet.SimCornet._IC" class="py-name" href="#" onclick="return doclink('link-37', '_IC', 'link-16');">_IC</a></tt><tt class="py-op">(</tt><tt class="py-name">lcs</tt><tt class="py-op">,</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt> </tt>
<a name="L533"></a><tt class="py-lineno">533</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">lcs_ic</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt>  </tt>
<a name="L534"></a><tt class="py-lineno">534</tt>  <tt class="py-line">                        <tt class="py-comment"># No "subcount" attrib found - this should never happen</tt> </tt>
<a name="L535"></a><tt class="py-lineno">535</tt>  <tt class="py-line">                        <tt class="py-comment"># Note that the subcount cannot be zero, as in that case</tt> </tt>
<a name="L536"></a><tt class="py-lineno">536</tt>  <tt class="py-line">                        <tt class="py-comment"># the subcounts of all subsumed lexical units, including</tt> </tt>
<a name="L537"></a><tt class="py-lineno">537</tt>  <tt class="py-line">                        <tt class="py-comment"># lu1 and lu2, must be zero as well. </tt> </tt>
<a name="L538"></a><tt class="py-lineno">538</tt>  <tt class="py-line">                        <tt class="py-keyword">continue</tt> </tt>
<a name="L539"></a><tt class="py-lineno">539</tt>  <tt class="py-line">                     </tt>
<a name="L540"></a><tt class="py-lineno">540</tt>  <tt class="py-line">                    <tt class="py-name">new_sim</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-number">2</tt> <tt class="py-op">*</tt> <tt class="py-name">lcs_ic</tt><tt class="py-op">)</tt> <tt class="py-op">/</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">ic1</tt> <tt class="py-op">+</tt> <tt class="py-name">ic2</tt><tt class="py-op">)</tt> </tt>
<a name="L541"></a><tt class="py-lineno">541</tt>  <tt class="py-line">                    <tt class="py-name">max_sim</tt> <tt class="py-op">=</tt> <tt class="py-name">max</tt><tt class="py-op">(</tt><tt class="py-name">max_sim</tt><tt class="py-op">,</tt> <tt class="py-name">new_sim</tt><tt class="py-op">)</tt> </tt>
<a name="L542"></a><tt class="py-lineno">542</tt>  <tt class="py-line">                     </tt>
<a name="L543"></a><tt class="py-lineno">543</tt>  <tt class="py-line">                <tt class="py-comment"># At this point we are sure that we have valid ic1 and ic2.</tt> </tt>
<a name="L544"></a><tt class="py-lineno">544</tt>  <tt class="py-line">                <tt class="py-comment"># If no lcs was found, we assume lcs_ic is zero, </tt> </tt>
<a name="L545"></a><tt class="py-lineno">545</tt>  <tt class="py-line">                <tt class="py-comment"># and thus the sim score is zero.</tt> </tt>
<a name="L546"></a><tt class="py-lineno">546</tt>  <tt class="py-line">                <tt class="py-comment"># Hence,  without any max_sim yet, we assume max_sim is zero. </tt> </tt>
<a name="L547"></a><tt class="py-lineno">547</tt>  <tt class="py-line">                <tt class="py-name">max_sim</tt> <tt class="py-op">=</tt> <tt class="py-name">max</tt><tt class="py-op">(</tt><tt class="py-name">max_sim</tt><tt class="py-op">,</tt> <tt class="py-number">0.0</tt><tt class="py-op">)</tt> </tt>
<a name="L548"></a><tt class="py-lineno">548</tt>  <tt class="py-line">                         </tt>
<a name="L549"></a><tt class="py-lineno">549</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">max_sim</tt> </tt>
</div><a name="L550"></a><tt class="py-lineno">550</tt>  <tt class="py-line">     </tt>
<a name="L551"></a><tt class="py-lineno">551</tt>  <tt class="py-line">         </tt>
<a name="L552"></a><tt class="py-lineno">552</tt>  <tt class="py-line">    <tt class="py-comment"># ------------------------------------------------------------------------------        </tt> </tt>
<a name="L553"></a><tt class="py-lineno">553</tt>  <tt class="py-line">    <tt class="py-comment"># Semi-private methods</tt> </tt>
<a name="L554"></a><tt class="py-lineno">554</tt>  <tt class="py-line">    <tt class="py-comment"># ------------------------------------------------------------------------------ </tt> </tt>
<a name="L555"></a><tt class="py-lineno">555</tt>  <tt class="py-line">     </tt>
<a name="SimCornet._get_lu_count"></a><div id="SimCornet._get_lu_count-def"><a name="L556"></a><tt class="py-lineno">556</tt> <a class="py-toggle" href="#" id="SimCornet._get_lu_count-toggle" onclick="return toggle('SimCornet._get_lu_count');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#_get_lu_count">_get_lu_count</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu</tt><tt class="py-op">,</tt> <tt class="py-param">subcount</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet._get_lu_count-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet._get_lu_count-expanded"><a name="L557"></a><tt class="py-lineno">557</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L558"></a><tt class="py-lineno">558</tt>  <tt class="py-line"><tt class="py-docstring">        get (sub)count of lexical unit</tt> </tt>
<a name="L559"></a><tt class="py-lineno">559</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L560"></a><tt class="py-lineno">560</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L561"></a><tt class="py-lineno">561</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">subcount</tt><tt class="py-op">:</tt> </tt>
<a name="L562"></a><tt class="py-lineno">562</tt>  <tt class="py-line">                <tt class="py-keyword">return</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">.</tt><tt class="py-name">find</tt><tt class="py-op">(</tt><tt class="py-string">"form"</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">"subcount"</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L563"></a><tt class="py-lineno">563</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L564"></a><tt class="py-lineno">564</tt>  <tt class="py-line">                <tt class="py-keyword">return</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">.</tt><tt class="py-name">find</tt><tt class="py-op">(</tt><tt class="py-string">"form"</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">"count"</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L565"></a><tt class="py-lineno">565</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">AttributeError</tt><tt class="py-op">:</tt> </tt>
<a name="L566"></a><tt class="py-lineno">566</tt>  <tt class="py-line">            <tt class="py-comment"># no &lt;form&gt; elem</tt> </tt>
<a name="L567"></a><tt class="py-lineno">567</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L568"></a><tt class="py-lineno">568</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">TypeError</tt><tt class="py-op">:</tt> </tt>
<a name="L569"></a><tt class="py-lineno">569</tt>  <tt class="py-line">            <tt class="py-comment"># no "(sub)count" attrib (or non-int value)</tt> </tt>
<a name="L570"></a><tt class="py-lineno">570</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L571"></a><tt class="py-lineno">571</tt>  <tt class="py-line">         </tt>
<a name="L572"></a><tt class="py-lineno">572</tt>  <tt class="py-line"> </tt>
<a name="SimCornet._p"></a><div id="SimCornet._p-def"><a name="L573"></a><tt class="py-lineno">573</tt> <a class="py-toggle" href="#" id="SimCornet._p-toggle" onclick="return toggle('SimCornet._p');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#_p">_p</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu</tt><tt class="py-op">,</tt> <tt class="py-param">subcount</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">smooth</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">cat_totals</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet._p-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet._p-expanded"><a name="L574"></a><tt class="py-lineno">574</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L575"></a><tt class="py-lineno">575</tt>  <tt class="py-line"><tt class="py-docstring">        probility on the basis of MLE using (sub)counts</tt> </tt>
<a name="L576"></a><tt class="py-lineno">576</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L577"></a><tt class="py-lineno">577</tt>  <tt class="py-line">        <tt class="py-name">lu_count</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-38" class="py-name"><a title="cornetto.simcornet.SimCornet._get_lu_count" class="py-name" href="#" onclick="return doclink('link-38', '_get_lu_count', 'link-10');">_get_lu_count</a></tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">,</tt> <tt class="py-name">subcount</tt><tt class="py-op">)</tt> </tt>
<a name="L578"></a><tt class="py-lineno">578</tt>  <tt class="py-line">         </tt>
<a name="L579"></a><tt class="py-lineno">579</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">lu_count</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L580"></a><tt class="py-lineno">580</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L581"></a><tt class="py-lineno">581</tt>  <tt class="py-line">         </tt>
<a name="L582"></a><tt class="py-lineno">582</tt>  <tt class="py-line">        <tt class="py-comment"># probability with optional smoothing by add-one</tt> </tt>
<a name="L583"></a><tt class="py-lineno">583</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">lu_count</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt> <tt class="py-keyword">and</tt> <tt class="py-name">smooth</tt><tt class="py-op">:</tt> </tt>
<a name="L584"></a><tt class="py-lineno">584</tt>  <tt class="py-line">            <tt class="py-name">lu_count</tt> <tt class="py-op">=</tt> <tt class="py-number">1</tt> </tt>
<a name="L585"></a><tt class="py-lineno">585</tt>  <tt class="py-line">             </tt>
<a name="L586"></a><tt class="py-lineno">586</tt>  <tt class="py-line">        <tt class="py-comment"># optionally use the category-specific totals</tt> </tt>
<a name="L587"></a><tt class="py-lineno">587</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">:</tt> </tt>
<a name="L588"></a><tt class="py-lineno">588</tt>  <tt class="py-line">            <tt class="py-comment"># silently back-off to "all" if no cat was found</tt> </tt>
<a name="L589"></a><tt class="py-lineno">589</tt>  <tt class="py-line">            <tt class="py-name">cat</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-39" class="py-name" targets="Method cornetto.cornet.Cornet._get_lu_cat()=cornetto.cornet.Cornet-class.html#_get_lu_cat"><a title="cornetto.cornet.Cornet._get_lu_cat" class="py-name" href="#" onclick="return doclink('link-39', '_get_lu_cat', 'link-39');">_get_lu_cat</a></tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-string">"all"</tt> </tt>
<a name="L590"></a><tt class="py-lineno">590</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L591"></a><tt class="py-lineno">591</tt>  <tt class="py-line">            <tt class="py-name">cat</tt> <tt class="py-op">=</tt> <tt class="py-string">"all"</tt> </tt>
<a name="L592"></a><tt class="py-lineno">592</tt>  <tt class="py-line">             </tt>
<a name="L593"></a><tt class="py-lineno">593</tt>  <tt class="py-line">        <tt class="py-name">count_total</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_cat2counts</tt><tt class="py-op">[</tt><tt class="py-name">cat</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L594"></a><tt class="py-lineno">594</tt>  <tt class="py-line">             </tt>
<a name="L595"></a><tt class="py-lineno">595</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">lu_count</tt> <tt class="py-op">/</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">count_total</tt><tt class="py-op">)</tt> </tt>
</div><a name="L596"></a><tt class="py-lineno">596</tt>  <tt class="py-line"> </tt>
<a name="L597"></a><tt class="py-lineno">597</tt>  <tt class="py-line">            </tt>
<a name="SimCornet._IC"></a><div id="SimCornet._IC-def"><a name="L598"></a><tt class="py-lineno">598</tt> <a class="py-toggle" href="#" id="SimCornet._IC-toggle" onclick="return toggle('SimCornet._IC');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="cornetto.simcornet.SimCornet-class.html#_IC">_IC</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">lu</tt><tt class="py-op">,</tt> <tt class="py-param">subcount</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">smooth</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">cat_totals</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt> <tt class="py-param">base</tt><tt class="py-op">=</tt><tt class="py-number">2</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SimCornet._IC-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="SimCornet._IC-expanded"><a name="L599"></a><tt class="py-lineno">599</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L600"></a><tt class="py-lineno">600</tt>  <tt class="py-line"><tt class="py-docstring">        Information Content</tt> </tt>
<a name="L601"></a><tt class="py-lineno">601</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L602"></a><tt class="py-lineno">602</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L603"></a><tt class="py-lineno">603</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-op">-</tt><tt class="py-name">log</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-40" class="py-name"><a title="cornetto.simcornet.SimCornet._p" class="py-name" href="#" onclick="return doclink('link-40', '_p', 'link-13');">_p</a></tt><tt class="py-op">(</tt><tt class="py-name">lu</tt><tt class="py-op">,</tt> <tt class="py-name">subcount</tt><tt class="py-op">,</tt> <tt class="py-name">smooth</tt><tt class="py-op">,</tt> <tt class="py-name">cat_totals</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">base</tt><tt class="py-op">)</tt> </tt>
<a name="L604"></a><tt class="py-lineno">604</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">OverflowError</tt><tt class="py-op">:</tt> </tt>
<a name="L605"></a><tt class="py-lineno">605</tt>  <tt class="py-line">            <tt class="py-comment"># zero probability: log(0) not defined</tt> </tt>
<a name="L606"></a><tt class="py-lineno">606</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L607"></a><tt class="py-lineno">607</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">TypeError</tt><tt class="py-op">:</tt> </tt>
<a name="L608"></a><tt class="py-lineno">608</tt>  <tt class="py-line">            <tt class="py-comment"># _prob returned None because no count was found </tt> </tt>
<a name="L609"></a><tt class="py-lineno">609</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div></div><a name="L610"></a><tt class="py-lineno">610</tt>  <tt class="py-line">         </tt>
<a name="L611"></a><tt class="py-lineno">611</tt>  <tt class="py-line">         </tt>
<a name="L612"></a><tt class="py-lineno">612</tt>  <tt class="py-line">     </tt>
<a name="L613"></a><tt class="py-lineno">613</tt>  <tt class="py-line"> </tt>
<a name="L614"></a><tt class="py-lineno">614</tt>  <tt class="py-line"><tt class="py-comment"># Debugging code</tt> </tt>
<a name="L615"></a><tt class="py-lineno">615</tt>  <tt class="py-line"> </tt>
<a name="L616"></a><tt class="py-lineno">616</tt>  <tt class="py-line"><tt class="py-comment"># Parsing cdb takes a long time. Therefore debugging is much faster if we</tt> </tt>
<a name="L617"></a><tt class="py-lineno">617</tt>  <tt class="py-line"><tt class="py-comment"># parse just once, like this:start_server</tt> </tt>
<a name="L618"></a><tt class="py-lineno">618</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L619"></a><tt class="py-lineno">619</tt>  <tt class="py-line"><tt class="py-comment"># &gt;&gt;&gt; import cornetto.simcornet as cornet; cornet._parse()</tt> </tt>
<a name="L620"></a><tt class="py-lineno">620</tt>  <tt class="py-line"><tt class="py-comment">#    </tt> </tt>
<a name="L621"></a><tt class="py-lineno">621</tt>  <tt class="py-line"><tt class="py-comment"># While debugging we inject the tables and graph in a Cornet instance:</tt> </tt>
<a name="L622"></a><tt class="py-lineno">622</tt>  <tt class="py-line"><tt class="py-comment"># </tt> </tt>
<a name="L623"></a><tt class="py-lineno">623</tt>  <tt class="py-line"><tt class="py-comment"># &gt;&gt;&gt; reload(cornet); c = cornet._get_cornet_instance()</tt> </tt>
<a name="L624"></a><tt class="py-lineno">624</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L625"></a><tt class="py-lineno">625</tt>  <tt class="py-line">     </tt>
<a name="L626"></a><tt class="py-lineno">626</tt>  <tt class="py-line"><tt class="py-comment">#def _parse(cdb_lu="cdb_lu_minimal_subcounts.xml", cdb_syn="cdb_syn_minimal.xml"):</tt> </tt>
<a name="L627"></a><tt class="py-lineno">627</tt>  <tt class="py-line">    <tt class="py-comment">#global form2lu, c_lu_id2lu, c_sy_id2synset, graph, cat2counts</tt> </tt>
<a name="L628"></a><tt class="py-lineno">628</tt>  <tt class="py-line">    <tt class="py-comment">#form2lu, c_lu_id2lu, c_sy_id2synset, graph, cat2counts = \</tt> </tt>
<a name="L629"></a><tt class="py-lineno">629</tt>  <tt class="py-line">    <tt class="py-comment">#parse_cdb_with_counts(cdb_lu, cdb_syn, verbose=False)</tt> </tt>
<a name="L630"></a><tt class="py-lineno">630</tt>  <tt class="py-line">     </tt>
<a name="L631"></a><tt class="py-lineno">631</tt>  <tt class="py-line"> </tt>
<a name="L632"></a><tt class="py-lineno">632</tt>  <tt class="py-line"><tt class="py-comment">#def _get_cornet_instance():</tt> </tt>
<a name="L633"></a><tt class="py-lineno">633</tt>  <tt class="py-line">    <tt class="py-comment">#c = SimCornet()</tt> </tt>
<a name="L634"></a><tt class="py-lineno">634</tt>  <tt class="py-line">    <tt class="py-comment">#c._form2lu = form2lu</tt> </tt>
<a name="L635"></a><tt class="py-lineno">635</tt>  <tt class="py-line">    <tt class="py-comment">#c._c_lu_id2lu = c_lu_id2lu</tt> </tt>
<a name="L636"></a><tt class="py-lineno">636</tt>  <tt class="py-line">    <tt class="py-comment">#c._c_sy_id2synset =  c_sy_id2synset</tt> </tt>
<a name="L637"></a><tt class="py-lineno">637</tt>  <tt class="py-line">    <tt class="py-comment">#c._graph = graph</tt> </tt>
<a name="L638"></a><tt class="py-lineno">638</tt>  <tt class="py-line">    <tt class="py-comment">#c._cat2counts = cat2counts</tt> </tt>
<a name="L639"></a><tt class="py-lineno">639</tt>  <tt class="py-line">    <tt class="py-comment">#return c</tt> </tt>
<a name="L640"></a><tt class="py-lineno">640</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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